package com.cloudcc.mobile.view.fragment;
import java.io.File;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;

import uk.co.senab.photoview.PhotoViewAttacher;
import uk.co.senab.photoview.PhotoViewAttacher.OnPhotoTapListener;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ProgressBar;
import android.widget.Toast;

import com.cloudcc.mobile.R;
import com.cloudcc.mobile.util.ImageUtils;
import com.cloudcc.mobile.util.Tools;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.assist.FailReason;
import com.nostra13.universalimageloader.core.display.FadeInBitmapDisplayer;
import com.nostra13.universalimageloader.core.listener.SimpleImageLoadingListener;

public class ImageDetailFragment extends Fragment {
	private String mImageUrl;
	private String mImageId;
	private ImageView mImageView;
	private ProgressBar progressBar;
	private PhotoViewAttacher mAttacher;
	private String iconpath;

	public static ImageDetailFragment newInstance(String imageUrl,String imageId) {
		final ImageDetailFragment f = new ImageDetailFragment();
		final Bundle args = new Bundle();
		args.putString("url", imageUrl);
		args.putString("id", imageId);
		f.setArguments(args);

		return f;
	}

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		mImageUrl = getArguments() != null ? getArguments().getString("url") : null;
		mImageId = getArguments() != null ? getArguments().getString("id") : null;

	}

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
		final View v = inflater.inflate(R.layout.image_detail_fragment, container, false);
		mImageView = (ImageView) v.findViewById(R.id.image);
		mAttacher = new PhotoViewAttacher(mImageView);

		mAttacher.setOnPhotoTapListener(new OnPhotoTapListener() {
			@Override
			public void onPhotoTap(View arg0, float arg1, float arg2) {
				getActivity().finish();
			}
		});
		progressBar = (ProgressBar) v.findViewById(R.id.loading);
		return v;
	}

	@Override
	public void onActivityCreated(Bundle savedInstanceState) {
		super.onActivityCreated(savedInstanceState);

		iconpath=Tools.getImagePath("/CloudCC/Chat/")+"/"+mImageId;
		File file=new File(iconpath);
		if(file.exists()){
			ImageLoader.getInstance().displayImage("file://"+iconpath,mImageView,new SimpleImageLoadingListener() {
				@Override
				public void onLoadingStarted(String imageUri, View view) {
					progressBar.setVisibility(View.VISIBLE);
				}
				@Override
				public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
					String message = null;
					switch (failReason.getType()) {
					case IO_ERROR:
						message = "下载错误";
						break;
					case DECODING_ERROR:
						message = "图片无法显示";
						break;
					case NETWORK_DENIED:
						message = "网络有问题，无法下载";
						break;
					case OUT_OF_MEMORY:
						message = "图片太大无法显示";
						break;
					case UNKNOWN:
						message = "未知的错误";
						break;
					}
					Toast.makeText(getActivity(), message, Toast.LENGTH_SHORT).show();
					progressBar.setVisibility(View.GONE);
				}

				@Override
				public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
					progressBar.setVisibility(View.GONE);
					mAttacher.update();
				}
			});
		}else{
			ImageLoader.getInstance().displayImage(mImageUrl, mImageView, new SimpleImageLoadingListener() {
				@Override
				public void onLoadingStarted(String imageUri, View view) {
					progressBar.setVisibility(View.VISIBLE);
				}

				@Override
				public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
					String message = null;
					switch (failReason.getType()) {
					case IO_ERROR:
						message = "下载错误";
						break;
					case DECODING_ERROR:
						message = "图片无法显示";
						break;
					case NETWORK_DENIED:
						message = "网络有问题，无法下载";
						break;
					case OUT_OF_MEMORY:
						message = "图片太大无法显示";
						break;
					case UNKNOWN:
						message = "未知的错误";
						break;
					}
					Toast.makeText(getActivity(), message, Toast.LENGTH_SHORT).show();
					progressBar.setVisibility(View.GONE);
				}
				final List<String> displayedImages = Collections.synchronizedList(new LinkedList<String>());
				@Override
				public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
					progressBar.setVisibility(View.GONE);
					mAttacher.update();
					
					if (loadedImage != null) {
						ImageView imageView = (ImageView) view;
						boolean firstDisplay = !displayedImages.contains(imageUri);
						if (firstDisplay) {
							FadeInBitmapDisplayer.animate(imageView, 500);
							displayedImages.add(imageUri);
							ImageUtils.saveImage("/CloudCC/Chat/",mImageId, loadedImage);
						}
					}
				}
			});
		}
	}

}
